| Name | Calliergon sarmentosum var. fontinaloides (Berggren) G. Roth |
| Authorship | (Berggren) G. Roth |
| Rank | Variety |
| Placed in | Calliergon sarmentosum (Wahlenberg) Kindberg |
| Citation | 1904 Eur. Laubm. 2: 576 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Calliergon sarmentosum var. fontinaloides (Berggren) G. Roth |
| Identification made in | [no date] (3) |